ࡱ> ORN Ibjbj88 8R_R_; S!S!S!S!S!g!g!g!8!,!g!)T!!!!!'#'#'#SSSSSSS$WZlSS!'#'#'#'#'#SS!S!!!HS&&&'#S!!S!!S&'#S&&@KXLOtN#L(SS0)TL [#F [PLOLO [S!O'#'#&'#'#'#'#'#SS;$'#'#'#)T'#'#'#'# ['#'#'#'#'#'#'#'#'#Y  : Tailoring the Degradation of Cyano-arene based Photocatalysts for Enhanced Visible-Light-Driven Halogen Atom Transfer Chung Whan Lee Department of Chemistry, Gachon University, Seongnam, Gyeonggi, 13120, Republic of Korea Email: clee@gachon.ac.kr We report the design of donor-acceptor cyanoarene-based photocatalysts (PCs) to enhance beneficial PC degradation for halogen atom transfer (XAT)-induced dehalogenation reactions. Our investigation reveals the competitiion between the catalytic cycle and the degradation, with degradation becoming dominant, for inactivated alkyl halides. The degradation of PCs impacts the efficiency of the XAT, leading to investigation into modification of the degradation behavior in a desirable direction. Dueto the variation in the nature and rate of PC degradation, and its impact on the reaction across the range of PC structures, we designed the PCs to develop a pre-catalyst, named 3DP-DCDP-IPN. The pre-catalyst undergoes rapid degradation into an active form, showed an improved reducing ability in its radical anion form for the better PC regeneration, and the effective XAT reaction. References 1. Min, H.; Kwon, Y. H.; Shin, S.; Choi, M.; Mehra, M. K.; Jeon, W.; Kwon, M. S.*, Lee, C. W.* Tailoring the Degradation of Cyano-arene based Photocatalysts for Enhanced Visible-Light-Driven Halogen Atom Transfer. Angew. Chem. Int. Ed. 2024, e202406880. 2. Constantia, T.; Zanini, M.; Regni, A.; Sheikh, N. S.; Juli, F.; Leonori, D. Science 2020, 367, 10211026. 3. Ko, H. M.; Lee. C. W.*; Kwon, M. 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Aptos;^MWingdingsA$BCambria Math Ahg{kƇR M M "!%),.:;?]}  2 3 ! 0 0 0000 =]$([\{  0 0 0000;[r88 3q@P $P&)2!xx?d Lee, Duck-HyungjangChung Whan LeeP            Oh+'0  0 < H T`hpx'Lee, Duck-Hyungjang .~WRD0000Chung Whan Lee15Microsoft Office Word@H'@6v @KI@[gNM՜.+,0$ hp|   8 Lee, Duck-HyungLee, Duck-Hyung Title제목  !"#$%&'()*+,-./0123456789:;<=?@ABCDEGHIJKLMPQTRoot Entry FtNS@1TableY[WordDocument 8SummaryInformation(>DocumentSummaryInformation8FMsoDataStoretNtNOK45FOTV0GA==2tNtNItem PropertiesUCompObj r   F Microsoft Word 97-2003 Document MSWordDocWord.Document.89q